Evaluate the following products without multiplying directly-:
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1
Answer:
9120
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0
Answer:
9120
Step-by-step explanation:
by the identity : - (x+a)(x+b) = x² + (a + b) ×X + ab
(90 + 5) ( 90 + 6)
= 90² + ( 5+6 ) × 90 + 5×6
= 8100 + ( 11 ) × 120
= 8111 × 120
= 973320
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